I think the existence of What are good sources to introduce people to mythology? encourages questions of this sort. I don't see how one can be defended and the other discouraged.
Last I saw, people wanted to see how these play out. Which is fine, and I don't think they have proven to be problematic here yet. Both of these seem to be well received enough, and the Hawaiian mythology question seems to have a reasonable answer.
If the day comes where we decide these need to go, What are good sources to introduce people to mythology? absolutely must be removed with all the rest. The rules apply to everybody, and exceptions encourage other people to behave similarly, and then get grumpy when they get punished for it (rightly so!).
So, to both of these questions: